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  1. #include <cstdio>
  2. using namespace std;
  3.  
  4. bool gcd(int a, int b, int *c)
  5. {
  6.     *c = (b == 0) * a;
  7.     (b != 0) && gcd(b, a % b, c);
  8. }
  9.  
  10. bool swap(int &a, int& b)
  11. {
  12.     int c = a;
  13.     a = b;
  14.     b = c;
  15. }
  16.  
  17. int main()
  18. {
  19.     int a, b, res;
  20.     scanf("%d %d", &a, &b);
  21.     (a < b) && int(swap(a, b));
  22.     gcd(a,b, &res);
  23.     printf("%d/%d\n", a/res, b/res);
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0s 3344KB
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https://ideone.com/6ZvefI
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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